Which of these equations correctly expresses the self-ionization of water?
он, о+h, о“ е но+ он"
o h,0+h,0 + 2oh-
o h,0+h,0 + 2h, о*
o h,0+h,0 өн, o" + oh

When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) → co2(g) + h2o(g) -1 -5 -8 -16 -21

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Which position represents spring in the southern hemisphere? a) b) c) d)